knee-length

例句：

1. 1.She wore a knee-length dress for the party.
   她穿着一条膝盖长的连衣裙参加了派对。
2. 2. The shoes are knee-length, which is perfect for running.
   这双鞋是膝盖长的，非常适合跑步。
3. 3.The dress fits perfectly at the knee-length.
   这条裙子在膝盖处刚好合适。